M79.89 Other specified soft tissue disorders

Billable ICD-10-CM code, FY2026.

Applicable to

• Polyalgia

Applies from M79 Other and unspecified soft tissue disorders, not elsewhere classified

Excludes1 (never code together)

• psychogenic rheumatism (F45.8)
• soft tissue pain, psychogenic (F45.41)

MS-DRG index

Defines the logic of DRG(s) 555-556 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 729.81 Swelling of limb (approximate)
• 729.99 Other disorders of soft tissue (approximate)

Diagnosis Index entries for M79.89

• Cheiromegaly
• Disorder (of) › soft tissue › specified type NEC
• Polyalgia
• Swelling (of) › arm
• Swelling (of) › arm › forearm
• Swelling (of) › finger
• Swelling (of) › foot
• Swelling (of) › hand
• Swelling (of) › leg
• Swelling (of) › leg › lower
• Swelling (of) › toe

Nearby codes

• M79.A29 Nontraumatic compartment syndrome of unspecified lower extremity
• M79.A3 Nontraumatic compartment syndrome of abdomen
• M79.A9 Nontraumatic compartment syndrome of other sites
• M79.8 Other specified soft tissue disorders
• M79.81 Nontraumatic hematoma of soft tissue
• M79.89 Other specified soft tissue disorders (this code)
• M79.9 Soft tissue disorder, unspecified